Dahua XVR User Manual

16
 Please connect the NC port of the alarm sensor to the DVR alarm input(ALARM)
 Use the same ground with that of DVR if you use external power to the alarm device.
Figure 2-2
2.7.3 Alarm Output Port
 Provide external power to external alarm device.
 To avoid overloading, please read the following relay parameters sheet carefully.
 RS485 A/B cable is for the A/B cable of the PTZ decoder.
 T+,T-,R+,R- are four-wire double duplex RS485 port.
T+ T-: output wire
R+ R-: input wire
Relay Specification
Model HFD23/005-1ZS HRB1-S-DC5V
Material of the touch AgNi+ gold-plating AuAg10/AgNi10/CuNi30
Rating
(Resistance
Load）
Rated switch
capacity
30V DC 1A/125V AC 0.5A 24V DC 1A/125V AC 2A
Maximum
switch power
62.5VA/30W 250VA/48W
Maximum
switch voltage
125V AC/60V DC 125V AC/60V DC
Maximum
switch
currency
2A 2A
Insulation
Between
touches
400VAC 1 minute 500VAC 1 minute
Between touch
and winding
1000VAC 1 minute 1000VAC 1 minute
Turn-on Time 5ms max 5ms max
Turn-off Time 5ms max 5ms max
Longevity
Mechanical
1×10
7
times （ 300
times/MIN）
5×10
6
times （ 300
times/MIN）
Electrical
1×10
5
times （ 30
times/MIN）
2.5×10
4
times （ 30
times/MIN）

Dahua XVR Specifications

General

Brand	Dahua
Model	XVR
Category	DVR
Language	English